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MCQs

Total Questions : 137 | Page 13 of 14 pages
Question 121. __________ solders are used for glass-to-glass and glass-to-metal soldering.
  1.    Lead-silver
  2.    Tin-zinc
  3.    Cadmium-zinc
  4.    Indium-tin
 Discuss Question
Answer: Option D. -> Indium-tin
Answer: (d).Indium-tin
Question 122. What kind of annealing does this graph illustrate?What Kind Of Annealing Does This Graph Illustrate?
  1.    Process annealing
  2.    Stress relief annealing
  3.    Recrystallization annealing
  4.    Spheroidise annealing
 Discuss Question
Answer: Option D. -> Spheroidise annealing
Answer: (d).Spheroidise annealing
Question 123. For process annealing, the steel is heated at a temperature range of _________
  1.    550-650°C
  2.    723-910°C
  3.    723-1138°C
  4.    750-800°C
 Discuss Question
Answer: Option A. -> 550-650°C
Answer: (a).550-650°C
Question 124. What happens when internal residual stresses are not removed?
  1.    Coarse structure
  2.    Reduction of grain size
  3.    Distortion
  4.    Recrystallization
 Discuss Question
Answer: Option C. -> Distortion
Answer: (c).Distortion
Question 125. Commercial annealing is another name for ____________
  1.    Process annealing
  2.    Stress relief annealing
  3.    Recrystallization annealing
  4.    Spheroidise annealing
 Discuss Question
Answer: Option B. -> Stress relief annealing
Answer: (b).Stress relief annealing
Question 126. Subcritical annealing is another name for ____________
  1.    Process annealing
  2.    Stress relief annealing
  3.    Recrystallization annealing
  4.    Spheroidise annealing
 Discuss Question
Answer: Option A. -> Process annealing
Answer: (a).Process annealing
Question 127. Which among the following is not applicable to process annealing of steels?
  1.    Low scaling
  2.    Rapid
  3.    Expensive
  4.    Single phase morphology
 Discuss Question
Answer: Option C. -> Expensive
Answer: (c).Expensive
Question 128. The structure obtained by normalising depends on __________
  1.    Stresses induced
  2.    Toughness of material
  3.    Thickness of cross section
  4.    Strength of weld
 Discuss Question
Answer: Option C. -> Thickness of cross section
Answer: (c).Thickness of cross section
Question 129. Which of the following is not a preferred vegetable oil for quenching medium?
  1.    Linseed
  2.    Brine
  3.    Rapeseed
  4.    Cottonseed
 Discuss Question
Answer: Option B. -> Brine
Answer: (b).Brine
Question 130. Mineral oils are used in the hardening process of ____________
  1.    Pipes
  2.    Carbon
  3.    Alloy steel
  4.    Heavy forging
 Discuss Question
Answer: Option C. -> Alloy steel
Answer: (c).Alloy steel

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